Partnership Operations, Organization and Basis for Presentation (Details) bbl in Millions	6 Months Ended
Jun. 30, 2017 Segment mi bbl Bcf
Related Party Transaction [Line Items]
Number of miles of pipelines \| mi	50,000
Number of barrels of storage capacity \| bbl	260
Number of cubic feet of storage capacity \| Bcf	14
Number of reportable segments \| Segment	4
Limited partners ownership interest	100.00%
EPCO and its privately held affiliates [Member]
Related Party Transaction [Line Items]
Percentage of Total Units Outstanding	32.00%

Refers to number of barrels of storage capacity for petrochemicals, refined products, NGLs and crude oil.

No definition available.

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- Definition

Refers to number of cubic feet of storage capacity.

+ References

No definition available.

+ Details

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- Definition

Refers to number of miles of onshore and offshore pipelines as a part of assets of the entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	epd_
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- Definition

The number of common units owned (as a percentage) by an affiliate under common control.

+ References

No definition available.

+ Details

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Namespace Prefix:	epd_
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Balance Type:	na
Period Type:	instant

- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

+ Details

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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